CN112125690A - Manufacturing process of carbon-carbon composite material - Google Patents
Manufacturing process of carbon-carbon composite material Download PDFInfo
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- CN112125690A CN112125690A CN202011019075.6A CN202011019075A CN112125690A CN 112125690 A CN112125690 A CN 112125690A CN 202011019075 A CN202011019075 A CN 202011019075A CN 112125690 A CN112125690 A CN 112125690A
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- Prior art keywords
- carbon
- composite material
- graphite
- drying
- fiber layers
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- CREMABGTGYGIQB-UHFFFAOYSA-N carbon carbon Chemical compound C.C CREMABGTGYGIQB-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 239000011203 carbon fibre reinforced carbon Substances 0.000 title claims abstract description 24
- 239000002131 composite material Substances 0.000 title claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 42
- 238000002156 mixing Methods 0.000 claims abstract description 26
- 238000000227 grinding Methods 0.000 claims abstract description 24
- 239000010439 graphite Substances 0.000 claims abstract description 23
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 23
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 19
- 239000002245 particle Substances 0.000 claims abstract description 17
- 239000000084 colloidal system Substances 0.000 claims abstract description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000002994 raw material Substances 0.000 claims abstract description 6
- 238000012216 screening Methods 0.000 claims abstract description 6
- 239000000741 silica gel Substances 0.000 claims abstract description 6
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 6
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 21
- 239000004917 carbon fiber Substances 0.000 claims description 21
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 20
- 238000001035 drying Methods 0.000 claims description 15
- 239000012495 reaction gas Substances 0.000 claims description 13
- 239000003365 glass fiber Substances 0.000 claims description 10
- 239000004816 latex Substances 0.000 claims description 10
- 229920000126 latex Polymers 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 10
- 238000007731 hot pressing Methods 0.000 claims description 9
- 238000011049 filling Methods 0.000 claims description 7
- 239000010426 asphalt Substances 0.000 claims description 5
- 238000010981 drying operation Methods 0.000 claims description 5
- 230000035484 reaction time Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 claims 6
- 238000009210 therapy by ultrasound Methods 0.000 claims 1
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 6
- 229910052786 argon Inorganic materials 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000001307 helium Substances 0.000 description 3
- 229910052734 helium Inorganic materials 0.000 description 3
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 3
- 238000003763 carbonization Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 239000002296 pyrolytic carbon Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/71—Ceramic products containing macroscopic reinforcing agents
- C04B35/78—Ceramic products containing macroscopic reinforcing agents containing non-metallic materials
- C04B35/80—Fibres, filaments, whiskers, platelets, or the like
- C04B35/83—Carbon fibres in a carbon matrix
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
- C04B2235/50—Constituents or additives of the starting mixture chosen for their shape or used because of their shape or their physical appearance
- C04B2235/52—Constituents or additives characterised by their shapes
- C04B2235/5208—Fibers
- C04B2235/5216—Inorganic
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/60—Aspects relating to the preparation, properties or mechanical treatment of green bodies or pre-forms
- C04B2235/616—Liquid infiltration of green bodies or pre-forms
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Composite Materials (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Carbon And Carbon Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The invention provides a manufacturing process of a carbon-carbon composite material, which comprises the following steps: s1: grinding raw material flake graphite by using grinding equipment, wherein the rotating speed of the grinding equipment is set to 3000-4000r/min, the temperature in the grinding equipment is set to be 25-30 ℃, and then screening treatment is carried out by using a filter screen of 10-150 meshes to obtain graphite carbon particles with uniform size; s2: and adding the graphite carbon particles and the UV silica gel in the S1 into high-speed mixing equipment according to the ratio of 4: 1-2 to perform mixing operation, so as to obtain a mixed colloid. The carbon-carbon composite material prepared by the invention has the advantages of high tensile strength and high elasticity.
Description
Technical Field
The invention relates to the technical field of manufacturing of carbon-carbon composite materials, in particular to a manufacturing process of a carbon-carbon composite material.
Background
The carbon-carbon composite material is a multiphase structure material which takes carbon fibers or textile fabrics thereof as a reinforcing phase and takes pyrolytic carbon of chemical vapor infiltration or resin carbon of liquid phase impregnation-carbonization and pitch carbon as a matrix, but the existing carbon-carbon composite material has the defects of poor tensile strength and poor elasticity, so the manufacturing process of the carbon-carbon composite material is provided.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a manufacturing process of a carbon-carbon composite material.
In order to achieve the purpose, the invention adopts the following technical scheme:
a manufacturing process of a carbon-carbon composite material comprises the following steps:
s1: grinding raw material flake graphite by using grinding equipment, wherein the rotating speed of the grinding equipment is set to 3000-4000r/min, the temperature in the grinding equipment is set to be 25-30 ℃, and then screening treatment is carried out by using a filter screen of 10-150 meshes to obtain graphite carbon particles with uniform size;
s2: adding the graphite carbon particles and the UV silica gel in the S1 into high-speed mixing equipment according to the ratio of 4: 1-2 to perform mixing operation to obtain mixed colloid;
s3: filling the adjacent two carbon fiber layers by using the mixed colloid in the S2, wherein every eight carbon fiber layers are a group of carbon fiber layers, and filling a mixed layer of elastic latex and glass fiber between the adjacent two groups of carbon fiber layers to obtain an intermediate A;
s4: adding the intermediate A in the S3 into a plasma reactor, and then introducing reaction gas into the plasma reactor to obtain an intermediate B;
s5: curing the intermediate B in the S4 by using a hot-pressing curing device, and repeatedly impregnating the cured intermediate B by using asphalt for 6-8 times to obtain a blocky mixture;
s6: and drying the blocky mixture by using drying equipment to obtain the carbon-carbon composite material.
Preferably, in the S1, the size of the graphite carbon particles is 10 to 150 mesh.
Preferably, in S2, the internal temperature of the high-speed mixing device is set to be 25-35 ℃, the rotating speed of the high-speed mixing device is set to be 6000-.
Preferably, in the step S3, the elastic latex and the glass fiber are uniformly mixed in a ratio of 6: 2-3.
Preferably, in S4, the total pressure inside the plasma reactor is set to 80 to 500Pa, and the reaction time of the reaction gas is set to 1 to 120 min.
Preferably, in S5, the curing temperature inside the hot-press curing device is set to 750-850 ℃.
Preferably, in S6, the drying device performs the drying operation by using a microwave technology.
Compared with the prior art, the carbon-carbon composite material prepared by the invention has the advantages of high tensile strength and high elasticity.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments.
Example one
The implementation provides a manufacturing process of a carbon-carbon composite material, which comprises the following steps:
s1: grinding raw material flake graphite by using grinding equipment, wherein the rotating speed of the grinding equipment is set to 3000r/min, the temperature in the grinding equipment is set to 25 ℃, and then screening by using a 10-150-mesh filter screen to obtain graphite carbon particles with uniform size, wherein the size of the graphite carbon particles is 10-150 meshes;
s2: adding the graphite carbon particles and the UV silica gel in the S1 into a high-speed mixing device according to the ratio of 4: 1 for mixing operation, wherein the internal temperature of the high-speed mixing device is set to be 25 ℃, the rotating speed of the high-speed mixing device is set to be 6000r/min, and an ultrasonic processing device for ultrasonic operation is further arranged in the high-speed mixing device to obtain a mixed colloid;
s3: filling the adjacent two carbon fiber layers by using the mixed colloid in the S2, wherein each eight carbon fiber layers are a group of carbon fiber layers, and a mixed layer of elastic latex and glass fiber is filled between the adjacent two groups of carbon fiber layers, wherein the elastic latex and the glass fiber are uniformly mixed according to the ratio of 6: 2 to obtain an intermediate A;
s4: adding the intermediate A in the S3 into a plasma reactor, and then introducing reaction gas into the plasma reactor, wherein the reaction gas is a mixed gas of argon and helium, the total pressure inside the plasma reactor is set to be 80Pa, and the reaction time of the reaction gas is set to be 1min, so that an intermediate B is obtained;
s5: curing the intermediate B in the S4 by using a hot-pressing curing device, wherein the curing temperature in the hot-pressing curing device is set to 750 ℃, and the cured intermediate B is repeatedly dipped by using asphalt for 6-8 times to obtain a blocky mixture;
s6: and drying the blocky mixture by using drying equipment, wherein the drying equipment adopts a microwave technology to perform drying operation, so as to obtain the carbon-carbon composite material.
Example two
The implementation provides a manufacturing process of a carbon-carbon composite material, which comprises the following steps:
s1: grinding raw material flake graphite by using grinding equipment, wherein the rotating speed of the grinding equipment is set to 3500r/min, the temperature in the grinding equipment is set to 27 ℃, and then screening by using a 10-150-mesh filter screen to obtain graphite carbon particles with uniform size, wherein the size of the graphite carbon particles is 10-150 meshes;
s2: adding the graphite carbon particles and the UV silica gel in the S1 into a high-speed mixing device according to the ratio of 4: 1.5 for mixing operation, wherein the internal temperature of the high-speed mixing device is set to be 30 ℃, the rotating speed of the high-speed mixing device is set to be 7000r/min, and an ultrasonic processing device for ultrasonic operation is further arranged in the high-speed mixing device to obtain a mixed colloid;
s3: filling the adjacent two carbon fiber layers by using the mixed colloid in the S2, wherein each eight carbon fiber layers are a group of carbon fiber layers, and a mixed layer of elastic latex and glass fiber is filled between the adjacent two groups of carbon fiber layers, wherein the elastic latex and the glass fiber are uniformly mixed according to the ratio of 6: 2.5 to obtain an intermediate A;
s4: adding the intermediate A in the S3 into a plasma reactor, and then introducing reaction gas into the plasma reactor, wherein the reaction gas is a mixed gas of argon and helium, the total pressure inside the plasma reactor is set to be 200Pa, and the reaction time of the reaction gas is set to be 60min, so that an intermediate B is obtained;
s5: curing the intermediate B in the S4 by using a hot-pressing curing device, wherein the curing temperature in the hot-pressing curing device is set to be 800 ℃, and the cured intermediate B is repeatedly dipped by using asphalt for 6-8 times to obtain a blocky mixture;
s6: and drying the blocky mixture by using drying equipment, wherein the drying equipment adopts a microwave technology to perform drying operation, so as to obtain the carbon-carbon composite material.
EXAMPLE III
The implementation provides a manufacturing process of a carbon-carbon composite material, which comprises the following steps:
s1: grinding raw material flake graphite by using grinding equipment, wherein the rotating speed of the grinding equipment is set to 4000r/min, the temperature in the grinding equipment is set to 30 ℃, and then screening is carried out by using a 10-150-mesh filter screen to obtain graphite carbon particles with uniform size, wherein the size of the graphite carbon particles is 10-150 meshes;
s2: adding the graphite carbon particles and the UV silica gel in the step S1 into a high-speed mixing device according to the ratio of 4: 2 for mixing operation, wherein the internal temperature of the high-speed mixing device is set to be 35 ℃, the rotating speed of the high-speed mixing device is set to be 8000r/min, and an ultrasonic processing device for ultrasonic operation is further arranged in the high-speed mixing device to obtain a mixed colloid;
s3: filling the adjacent two carbon fiber layers by using the mixed colloid in the S2, wherein each eight carbon fiber layers are a group of carbon fiber layers, and a mixed layer of elastic latex and glass fiber is filled between the adjacent two groups of carbon fiber layers, wherein the elastic latex and the glass fiber are uniformly mixed according to the ratio of 6: 3 to obtain an intermediate A;
s4: adding the intermediate A in the S3 into a plasma reactor, and then introducing reaction gas into the plasma reactor, wherein the reaction gas is a mixed gas of argon and helium, the total pressure inside the plasma reactor is set to be 500Pa, and the reaction time of the reaction gas is set to be 120min, so that an intermediate B is obtained;
s5: curing the intermediate B in the S4 by using a hot-pressing curing device, wherein the curing temperature in the hot-pressing curing device is set to 850 ℃, and the cured intermediate B is repeatedly dipped by using asphalt for 6-8 times to obtain a blocky mixture;
s6: and drying the blocky mixture by using drying equipment, wherein the drying equipment adopts a microwave technology to perform drying operation, so as to obtain the carbon-carbon composite material.
The carbon-carbon composite materials prepared by the examples one to three have advantages of high tensile strength and high elasticity, with the example two being the most preferred example.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The manufacturing process of the carbon-carbon composite material is characterized by comprising the following steps:
s1: grinding raw material flake graphite by using grinding equipment, wherein the rotating speed of the grinding equipment is set to 3000-4000r/min, the temperature in the grinding equipment is set to be 25-30 ℃, and then screening treatment is carried out by using a filter screen of 10-150 meshes to obtain graphite carbon particles with uniform size;
s2: adding the graphite carbon particles and the UV silica gel in the S1 into high-speed mixing equipment according to the ratio of 4: 1-2 to perform mixing operation to obtain mixed colloid;
s3: filling the adjacent two carbon fiber layers by using the mixed colloid in the S2, wherein every eight carbon fiber layers are a group of carbon fiber layers, and filling a mixed layer of elastic latex and glass fiber between the adjacent two groups of carbon fiber layers to obtain an intermediate A;
s4: adding the intermediate A in the S3 into a plasma reactor, and then introducing reaction gas into the plasma reactor to obtain an intermediate B;
s5: curing the intermediate B in the S4 by using a hot-pressing curing device, and repeatedly impregnating the cured intermediate B by using asphalt for 6-8 times to obtain a blocky mixture;
s6: and drying the blocky mixture by using drying equipment to obtain the carbon-carbon composite material.
2. The process of claim 1, wherein in the step S1, the size of the graphite carbon particles is 10-150 mesh.
3. The process of claim 1, wherein in the step S2, the internal temperature of the high-speed mixing device is 25-35 ℃, the rotation speed of the high-speed mixing device is 6000-8000r/min, and an ultrasonic treatment device for ultrasonic operation is further installed inside the high-speed mixing device.
4. The process for producing a carbon-carbon composite material as claimed in claim 1, wherein in the step S3, the elastic latex and the glass fiber are uniformly mixed in a ratio of 6: 2-3.
5. The process of claim 1, wherein in the step S4, the total pressure inside the plasma reactor is set to 80-500Pa, and the reaction time of the reaction gas is set to 1-120 min.
6. The process of claim 1, wherein in step S5, the curing temperature inside the hot-pressing curing device is set to 750-850 ℃.
7. The process of manufacturing a carbon-carbon composite material as claimed in claim 1, wherein in S6, the drying device performs the drying operation by using microwave technology.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011019075.6A CN112125690A (en) | 2020-09-15 | 2020-09-15 | Manufacturing process of carbon-carbon composite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011019075.6A CN112125690A (en) | 2020-09-15 | 2020-09-15 | Manufacturing process of carbon-carbon composite material |
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| CN112125690A true CN112125690A (en) | 2020-12-25 |
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| CN202011019075.6A Pending CN112125690A (en) | 2020-09-15 | 2020-09-15 | Manufacturing process of carbon-carbon composite material |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030214064A1 (en) * | 2002-05-20 | 2003-11-20 | Shin Hyun Kyu | Method for manufacturing carbon-carbon composites |
| CN109111213A (en) * | 2018-10-18 | 2019-01-01 | 大同新成新材料股份有限公司 | One kind being based on fibre-reinforced pantograph pan preparation process |
| CN109437956A (en) * | 2018-12-25 | 2019-03-08 | 深圳市驭晟新材料科技有限公司 | The carbon carbon composite plate and preparation method thereof quickly prepared suitable for pressure sintering |
| CN110436940A (en) * | 2019-08-28 | 2019-11-12 | 大同新成新材料股份有限公司 | A kind of preparation method of highly-conductive hot carbon carbon composite |
| CN111039691A (en) * | 2020-01-13 | 2020-04-21 | 陕西美兰德炭素有限责任公司 | Preparation method of carbon-carbon composite material plate |
-
2020
- 2020-09-15 CN CN202011019075.6A patent/CN112125690A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030214064A1 (en) * | 2002-05-20 | 2003-11-20 | Shin Hyun Kyu | Method for manufacturing carbon-carbon composites |
| CN109111213A (en) * | 2018-10-18 | 2019-01-01 | 大同新成新材料股份有限公司 | One kind being based on fibre-reinforced pantograph pan preparation process |
| CN109437956A (en) * | 2018-12-25 | 2019-03-08 | 深圳市驭晟新材料科技有限公司 | The carbon carbon composite plate and preparation method thereof quickly prepared suitable for pressure sintering |
| CN110436940A (en) * | 2019-08-28 | 2019-11-12 | 大同新成新材料股份有限公司 | A kind of preparation method of highly-conductive hot carbon carbon composite |
| CN111039691A (en) * | 2020-01-13 | 2020-04-21 | 陕西美兰德炭素有限责任公司 | Preparation method of carbon-carbon composite material plate |
Non-Patent Citations (2)
| Title |
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| 战奕凯: "碳纤维表面改性研究进展", 《工程塑料应用》 * |
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